2024-05-15

Guiding Questions

  • Whether the fuel price is a key factor in the development of electric vehicles (EV)?
  • How do fuel taxes affect the sales of EV?
  • What are the trends in EV sales by different manufacturers?
  • How fast-growing is the EV business?
  • Are there more people driving EVs in a more wealthy state?

Data

  • DOE Alternative Fuels Data Center (https://afdc.energy.gov/data)
    • Average retail fuel prices in the US
    • Fuel taxes by country
    • EV sales in the US by model
    • Number of vehicles registrations by state and by energy type
  • International Energy Agency (https://www.iea.org/data-and-statistics)
    • Electric car registrations in United States and Europe
  • United Census Bureau (link)
    • US median income by state

Average Retail Fuel Prices in the US

Inflation-adjusted gasoline prices were calculated based on: \(P_{2023} = P \times Inflation factor\).

Fuel Taxes by Country in 2018

  • Switzerland, Iceland, Mexico, and the US are the only countries with higher taxes on diesel than gasoline.
  • In general, European countries tend to tax petroleum fuels at the highest level globally.

EV Registrations in Europe and the US

The US EV Sales by Model

Summary

  • Retrieve data from DOE Alternative Fuels Data Center.
  • Line chart - Fuel prices could be a factor in the EV market.
  • Bar chart - Taxes do affect the EV market.
  • Stacked bar chart - Tesla is the leading EV manufacturer in the US.
  • Shiny APP map + Scatter / Line chart - EV business is rising but sill extremely small compared to gas cars. The growths are most notable in wealthier states.